.side{position: fixed; right: 10px; bottom: 40px; width: 40px;}

.tool-popover{ position: relative;}
.side-item{float:left; height: 42px; width: 42px; text-align: center; padding: 0; margin-bottom: 5px;}
.side-item i{ line-height: 40px; font-size: 24px;}
.side-item span{line-height: 40px; font-size: 14px; display: none;}
.tool-popover .am-panel{position: absolute; width: 240px; left: -240px; bottom: -80px; display: none;}
.side-item a{color: #ffffff;}
.bs-panel{width: 240px;left: -240px;bottom: -80px;position: absolute;display: none;}